org.diirt.datasource.timecache.util

Class CacheHelper

java.lang.Object

org.diirt.datasource.timecache.util.CacheHelper

public class CacheHelper
extends Object

Cache helper.

Author:

Fred Arnaud (Sopra Group) - ITER

Field Summary

Fields

Modifier and Type	Field and Description
static PrintStream	ps

Constructor Summary

Constructors

Constructor and Description
CacheHelper()

Method Summary

Modifier and Type	Method and Description
static TimeInterval	arrange(TimeInterval i) Returns a re-arranged TimeInterval if borders order is reversed.
static boolean	contains(TimeInterval i1, TimeInterval i2) Returns true if TimeInterval i1 contains TimeInterval i2, false otherwise (null border means infinity).
static String	format(TimeDuration d) Returns a formated String from the specified TimeDuration.
static String	format(TimeInterval i) Returns a formated String from the specified TimeInterval.
static String	format(Timestamp t) Returns a formated String from the specified Timestamp.
static TimeInterval	intersection(TimeInterval i1, TimeInterval i2) Returns the result of TimeInterval i1 & i2 intersection, null if i1 does not intersects i2 (null border means infinity).
static boolean	intersects(TimeInterval i1, TimeInterval i2) Returns true if TimeInterval i1 intersects TimeInterval i2, false otherwise (null border means infinity).
static Timestamp	max(Timestamp t1, Timestamp t2) Returns the maximum between the two specified Timestamp.
static Timestamp	min(Timestamp t1, Timestamp t2) Returns the minimum between the two specified Timestamp.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ps

public static PrintStream ps

Constructor Detail

CacheHelper

public CacheHelper()

Method Detail

min

public static Timestamp min(Timestamp t1,
                            Timestamp t2)

Returns the minimum between the two specified Timestamp.

max

public static Timestamp max(Timestamp t1,
                            Timestamp t2)

Returns the maximum between the two specified Timestamp.

contains

public static boolean contains(TimeInterval i1,
                               TimeInterval i2)

Returns true if TimeInterval i1 contains TimeInterval i2, false otherwise (null border means infinity).

intersects

public static boolean intersects(TimeInterval i1,
                                 TimeInterval i2)

Returns true if TimeInterval i1 intersects TimeInterval i2, false otherwise (null border means infinity).

intersection

public static TimeInterval intersection(TimeInterval i1,
                                        TimeInterval i2)

Returns the result of TimeInterval i1 & i2 intersection, null if i1 does not intersects i2 (null border means infinity).

arrange

public static TimeInterval arrange(TimeInterval i)

Returns a re-arranged TimeInterval if borders order is reversed.

format

public static String format(Timestamp t)

Returns a formated String from the specified Timestamp.

format

public static String format(TimeInterval i)

Returns a formated String from the specified TimeInterval.

format

public static String format(TimeDuration d)

Returns a formated String from the specified TimeDuration.